In the rich text editor:
@CrayonArsenal
In a comment:
[CrayonArsenal](https://chowlings.com/user/CrayonArsenal)
For Names and Avatars:
In the rich text editor:
%CrayonArsenal
In a comment:
[![CrayonArsenal's Avatar](https://chowlings.com/images/avatars/default.jpg)](https://chowlings.com/user/CrayonArsenal) [CrayonArsenal](https://chowlings.com/user/CrayonArsenal)